2248:
1532:
Narang, Mayank; Manoj, P.; Ishwara
Chandra, C. H.; Lazio, Joseph; Henning, Thomas; Tamura, Motohide; Mathew, Blesson; Ujwal, Nitish; Mandal, Pritha (2021), "In search of radio emission from exoplanets: GMRT observations of the binary system HD 41004",
805:
that at the time of the discovery was orbiting closer to the secondary star than any known extrasolar planet or brown dwarf (a=0.0177 AU), at only 145 km/s, because of its low-mass parent star, taking 1.3 days. Its orbit is circular despite the
818:
from the magnetosphere of Bb in 2020 did not find any, indicating the planet is either weakly magnetized, or the emission cone did not point to Earth at the time of observation.
2285:
502:
1459:
375:
2305:
1479:
Santos, N. C.; et al. (2002). "The CORALIE survey for southern extra-solar planets. IX. A 1.3-day period brown dwarf disguised as a planet".
506:
1395:
Quarles, Billy; Li, Gongjie; Kostov, Veselin; Haghighipour, Nader (2020), "Orbital
Stability of Circumstellar Planets in Binary Systems",
2275:
2270:
1342:
Torres, C. A. O.; et al. (December 2006). "Search for associations containing young stars (SACY). I. Sample and searching method".
1169:"Multi-order TODCOR: Application to observations taken with the CORALIE echelle spectrograph. II. A planet in the system HD 41004"
1649:
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31:
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560:
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2053:
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2009:
1658:
605:
of K1V and a visual magnitude of 8.82. Torres et al. (2006) classed it as a K1IV star, suggesting it is a
602:
494:
488:
96:
1208:
Sousa, S. G.; et al. (November 2018). "SWEET-Cat updated. New homogenous spectroscopic parameters".
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of +42.5 km/s, having come to within 44.5 ly some 831,000 years ago.
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Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation".
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of 8.65. The two components have a magnitude difference of 3.7, and share a
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of 5,255 K. Its smaller companion, designated component B, is a
556:
527:
397:
299:
232:
44:
578:, as of 2018. The distance to this system is approximately 127
559:. It is too faint to be visible to the naked eye, having a combined
1547:
1409:
1295:
1222:
1125:
982:
1055:
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834:
700:
196:
180:
1631:
1277:
Data
Release 2: Summary of the contents and survey properties"
858:
724:
641:
with spectral type M2V and apparent magnitude 12.33. It has a
587:
966:
Data
Release 3. Summary of the content and survey properties"
960:
Vallenari, A.; et al. (Gaia collaboration) (2023).
676:. It orbits the primary star at a separation of 1.70
2214:
2186:
2177:
2095:
2041:
2008:
1850:
1777:
1692:
1683:
1271:; et al. (Gaia collaboration) (August 2018).
1535:Monthly Notices of the Royal Astronomical Society
1036:
1034:
1032:
1030:
1028:
16:Visual binary star in the constellation Pictor
1643:
1460:Centre de données astronomiques de Strasbourg
1162:
70:−48° 14′ 22.8883″
8:
1337:
1335:
1160:
1158:
1156:
1154:
1152:
1150:
1148:
1146:
1144:
1142:
814:of the nearby star HD 41004 B. A search for
2286:Planetary systems with one confirmed planet
1101:"The Washington Visual Double Star Catalog"
1094:
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1090:
2183:
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1689:
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1636:
1628:
1556:
1546:
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1314:
1304:
1294:
1263:
1261:
1259:
1257:
1221:
1192:
1167:Zucker, S.; et al. (November 2004).
1124:
1054:
999:
981:
955:
953:
951:
949:
947:
945:
30:J2000
820:
686:
941:
586:. It is drifting further away from the
168:
18:
7:
625:. The star is radiating 63% of the
184:
1099:Mason, B. D.; et al. (2014).
14:
2247:
2246:
1606:Extrasolar Planets Encyclopaedia
1581:Extrasolar Planets Encyclopaedia
822:The HD 41004 B planetary system
688:The HD 41004 A planetary system
680:, taking 2.64 years with a high
668:and published in 2004. It has a
211:25.6106 ± 0.1043
1323:Gaia DR2 record for this source
1016:Gaia DR3 record for this source
597:The primary, component A, is a
2306:Henry Draper Catalogue objects
1:
810:of HD 41004 A because of the
1282:Astronomy & Astrophysics
1210:Astronomy & Astrophysics
874:
869:
864:
851:
838:
833:
826:
740:
735:
730:
717:
704:
699:
692:
1675:Pictor in Chinese astronomy
1316:10.1051/0004-6361/201833051
1240:10.1051/0004-6361/201833350
1001:10.1051/0004-6361/202243940
664:, was discovered by Zucker
2327:
2276:M-type main-sequence stars
2271:K-type main-sequence stars
1511:10.1051/0004-6361:20020876
1481:Astronomy and Astrophysics
1374:10.1051/0004-6361:20065602
1344:Astronomy and Astrophysics
1194:10.1051/0004-6361:20040384
1173:Astronomy and Astrophysics
970:Astronomy and Astrophysics
2244:
2091:
1665:
1073:10.1134/S1063773712050015
599:K-type main-sequence star
561:apparent visual magnitude
520:
485:
478:
453:
265:
260:
256:
131:
124:
90:
24:
1428:10.3847/1538-3881/ab64fa
1397:The Astronomical Journal
1105:The Astronomical Journal
2054:2MASS J05332802−4257205
1670:List of stars in Pictor
1659:Constellation of Pictor
1503:2002A&A...392..215S
1366:2006A&A...460..695T
1306:2018A&A...616A...1G
1232:2018A&A...620A..58S
1185:2004A&A...426..695Z
992:2023A&A...674A...1G
242:Absolute magnitude
77:Apparent magnitude
2301:Durchmusterung objects
1558:10.1093/mnras/staa3565
603:stellar classification
635:effective temperature
830:(in order from star)
808:gravitational effect
696:(in order from star)
643:projected separation
617:. It has 89% of the
565:common proper motion
1419:2020AJ....159...80Q
1117:2001AJ....122.3466M
1065:2012AstL...38..331A
823:
816:cyclotron radiation
689:
672:2.56 times that of
521:Database references
428:Rotational velocity
21:
821:
687:
678:astronomical units
652:from the primary.
569:angular separation
480:Other designations
97:Spectral type
19:
2311:Hipparcos objects
2258:
2257:
2240:
2239:
2173:
2172:
2087:
2086:
1043:Astronomy Letters
933:
932:
862:
849:
831:
801:HD 41004 Bb is a
799:
798:
728:
715:
697:
539:
538:
231:(39.0 ± 0.2
226:127.4 ± 0.5
2318:
2250:
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1645:
1638:
1629:
1621:
1619:
1618:
1609:. Archived from
1596:
1594:
1593:
1584:. Archived from
1562:
1561:
1560:
1550:
1541:(4): 4818–4826,
1529:
1523:
1522:
1496:
1494:astro-ph/0206213
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1357:astro-ph/0609258
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627:Sun's luminosity
621:and 104% of the
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551:in the southern
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91:Characteristics
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25:Observation data
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2004:
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1613:on July 2, 2007
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1269:Brown, A. G. A.
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619:mass of the Sun
592:radial velocity
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2232:QSO J0529-4351
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2079:WISE 0647−6232
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2064:PSR J0437−4715
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1569:External links
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1524:
1487:(1): 215–229.
1471:
1441:
1387:
1350:(3): 695–708.
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1179:(2): 695–698.
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1126:10.1086/323920
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2105:AB Pictoris b
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2049:EBLM J0555-57
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553:constellation
550:
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40:Constellation
38:
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23:
2291:Binary stars
2281:Brown dwarfs
2227:PKS 0529-549
2110:β Pictoris b
2027:
1766:
1624:
1615:. Retrieved
1611:the original
1604:
1601:"HD 41004 B"
1590:. Retrieved
1586:the original
1579:
1576:"HD 41004 A"
1538:
1534:
1527:
1484:
1480:
1474:
1463:. Retrieved
1453:
1444:
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1396:
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1343:
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1209:
1203:
1176:
1172:
1130:. Retrieved
1108:
1104:
1046:
1042:
973:
969:
963:
882:
866:Eccentricity
812:tidal effect
800:
748:
732:Eccentricity
682:eccentricity
670:minimum mass
665:
659:
623:Sun's radius
596:
541:
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355:
328:
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271:
240:
219:
203:
189:+65.333(123)
173:−43.418(115)
160:
136:
1111:(6): 3466.
871:Inclination
803:brown dwarf
737:Inclination
662:HD 41004 Ab
631:photosphere
580:light-years
549:star system
514:J05598-4814
406:Metallicity
384:Temperature
110:color index
66:Declination
2265:Categories
2160:TOI-1338 b
2155:LHS 1815 b
2120:HD 40307 b
2097:Exoplanets
1617:2008-07-21
1592:2008-07-21
1548:2011.06843
1465:2018-07-13
1450:"HD 41004"
1410:1912.11019
1296:1804.09365
1223:1810.08108
1132:2015-07-22
1049:(5): 331.
983:2208.00211
936:References
660:A planet,
656:Companions
449: km/s
359:(log
330:Luminosity
155: km/s
126:Astrometry
2150:HR 2562 B
1437:209444271
1403:(3): 80,
1248:119374557
1081:119257644
1056:1108.4971
1010:244398875
827:Companion
693:Companion
684:of 0.74.
639:red dwarf
629:from its
582:based on
466:0.4
102:K1V + M2V
79: (V)
20:HD 41004
2252:Category
2222:Pictor A
2179:Galaxies
2074:TOI-1338
2059:NGC 1995
1779:Variable
1519:14195872
1382:16080025
647:23
613:off the
611:evolving
609:that is
584:parallax
567:with an
542:HD 41004
491:−48°2083
472:☉
348:☉
321:☉
291:☉
244: (M
221:Distance
205:Parallax
2069:TOI-270
1499:Bibcode
1415:Bibcode
1362:Bibcode
1301:Bibcode
1228:Bibcode
1181:Bibcode
1113:Bibcode
1061:Bibcode
988:Bibcode
905:0.0177
674:Jupiter
601:with a
590:with a
261:Details
32:Equinox
2296:Pictor
1517:
1455:SIMBAD
1435:
1380:
1327:VizieR
1289:. A1.
1250:. A58.
1246:
1216:: 13.
1079:
1020:VizieR
1008:
976:: A1.
894:
888:≥18.37
876:Radius
760:
742:Radius
666:et al.
633:at an
557:Pictor
528:SIMBAD
418:
396:
374:
342:
315:
300:Radius
285:
191:
187:
175:
171:
149:+42.36
45:Pictor
34:J2000
2215:Other
2042:Other
2033:41248
2028:41004
2023:40307
2018:37781
1768:μ Dor
1694:Bayer
1685:Stars
1543:arXiv
1515:S2CID
1489:arXiv
1433:S2CID
1405:arXiv
1378:S2CID
1352:arXiv
1321:
1291:arXiv
1244:S2CID
1218:arXiv
1077:S2CID
1051:arXiv
1014:
1006:S2CID
978:arXiv
922:0.012
918:0.081
909:1.328
771:1.70
754:≥2.54
544:is a
390:5,255
340:0.008
336:0.629
311:−0.03
309:+0.02
185:Dec.:
119:0.013
115:0.887
83:8.65
28:Epoch
2206:1998
2201:1803
2196:1705
2000:2562
1995:2389
1990:2369
1985:2360
1980:2354
1975:2345
1970:2337
1965:2336
1960:2274
1955:2138
1950:2117
1945:2114
1940:2094
1935:2089
1930:2072
1925:2049
1920:2044
1915:2032
1910:2023
1905:2008
1900:1984
1895:1912
1890:1860
1885:1856
1880:1813
1875:1742
1870:1727
1865:1667
1860:1498
1275:Gaia
964:Gaia
913:(12)
892:0.22
859:days
835:Mass
788:0.20
784:0.74
758:0.74
725:days
701:Mass
573:0.30
534:data
461:Mass
416:0.03
412:0.15
372:0.11
368:4.34
306:1.04
283:0.07
279:0.89
273:Mass
252:5.60
153:0.14
108:B−V
2188:NGC
1553:doi
1539:500
1507:doi
1485:392
1423:doi
1401:159
1370:doi
1348:460
1325:at
1311:doi
1287:616
1236:doi
1214:620
1189:doi
1177:426
1121:doi
1109:122
1069:doi
1018:at
996:doi
974:674
911:300
775:963
645:of
588:Sun
571:of
555:of
512:WDS
507:PPM
503:SAO
499:HIP
447:1.2
443:1.0
420:dex
376:cgs
213:mas
207:(π)
193:mas
177:mas
169:RA:
164:(μ)
2267::
2010:HD
1852:HR
1842:VZ
1837:AK
1832:AE
1827:AB
1822:TX
1817:TW
1812:TV
1807:TU
1802:SW
1797:RR
1603:.
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1368:.
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1334:^
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1027:^
1004:.
994:.
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972:.
968:.
944:^
929:—
926:—
846:AU
795:—
792:—
779:38
712:AU
649:AU
495:HD
493:,
489:CD
394:52
233:pc
228:ly
197:yr
181:yr
140:(R
2165:c
2145:g
2140:f
2135:e
2130:d
2125:c
2115:c
1792:S
1787:R
1762:ν
1757:μ
1752:λ
1747:κ
1742:ι
1737:θ
1732:η
1727:η
1722:ζ
1717:δ
1712:γ
1707:β
1702:α
1651:e
1644:t
1637:v
1620:.
1595:.
1555::
1545::
1521:.
1509::
1501::
1491::
1468:.
1425::
1417::
1407::
1384:.
1372::
1364::
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1329:.
1319:.
1313::
1303::
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1238::
1230::
1220::
1197:.
1191::
1183::
1135:.
1123::
1115::
1083:.
1071::
1063::
1053::
1022:.
1012:.
998::
990::
980::
962:"
920:±
900:J
897:M
890:±
883:b
861:)
857:(
848:)
844:(
786:±
777:±
766:J
763:M
756:±
749:b
727:)
723:(
714:)
710:(
575:″
469:M
454:B
445:±
438:)
436:i
432:v
430:(
414:±
398:K
392:±
370:±
363:)
361:g
345:L
338:±
318:R
288:M
281:±
266:A
248:)
246:V
235:)
195:/
179:/
151:±
144:)
142:v
117:±
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